. ♪ it's not rocket science. it's just common sense. from td ameritrade. >>> back to "hardball." vo: from the classic lines to the elegant trim in each and every piece, bold will make your reality a dream. >>> back to "hardball." now the "sideshow." first the week with chris christie and new jersey younger generation. it's not unusual on whether christie will get questions on whether he'll run for president and not usually from someone who won't be able to vote in 2016. >> i'm a third grader at the elementary school. um, you've done a great job here in new jersey, and i was wondering if you were thinking about running for the president. >> do you work for msnbc? i'm not thinking about running for president right now because i've got a job to do here, and i've got an obligation to all these folks. you can't worry about fourth grade until you finish third grade, you know? i can't worry about this until i do this job. >> earlier in the week christie took on an even younger crowd. a class of kindergartners. >> did you come here in a limo? >> no, i came here in something even better.